Attractive, reliable and durable tones: Natural appearance. Coverage of grays up to 100%. Spectacular shine: Hair eight times brighter than before coloring on discolored hair. Hair twice as bright as natural hair. Maximum respect for hair: Hair twice as resistant to breakage as before coloring discolored hair. Nice service: New, creamy flexible texture. Easy to mix and apply. New fragrance. 1) Mixing ratio: 1 + 1 1/2?: 60 ml of coloration + 90 ml of Creme Peroxide x 150 ml. Amount of XL mixture. 2) Exposure time: First application - natural hair: apply on lengths and ends and leave 20 min. Apply to roots and leave 30 min. Total time: 50 min. Roots: leave to act on the roots 20-25 min. Apply to the rest of the hair and leave 5-10 min. if necessary. Total time: 30 min. Resistant hair: 40 min.